Definition of terms for Tapster : see also http://reluk.ca/project/way/index.brec change flow ─ mass noun - The copying of changes from stock to stand. stand - The text at the sink end of a tap, to which changes are copied. standing difference - A difference of content between stock and stand that is maintained despite change flow. stock - The text at the source end of a tap, from which changes are copied. tap ─ noun - A relation between two variable texts in which changes introduced to one (stock) are reproduced in the other (stand). ─ verb, with object - Reproduce changes (from a stock) using a tap. \ Copyright © 2021 Michael Allan. Licence MIT.